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Posted to oak-issues@jackrabbit.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2017/05/19 04:09:04 UTC

[jira] [Created] (OAK-6240) Sidegrade support for DocumentNodeStore to Secondary NodeStore

Chetan Mehrotra created OAK-6240:
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             Summary: Sidegrade support for DocumentNodeStore to Secondary NodeStore
                 Key: OAK-6240
                 URL: https://issues.apache.org/jira/browse/OAK-6240
             Project: Jackrabbit Oak
          Issue Type: New Feature
          Components: documentmk, upgrade
            Reporter: Chetan Mehrotra
            Assignee: Tomek Rękawek
             Fix For: 1.8


Seondary NodeStore feature (OAK-4180) currently creates the secondary NodeStore upon initialization. This may take long time for existing repo. To simplify that we should add support in sidegrade to migrate an existing DocumentNodeStore setup to Secondary NodeStore

This would also allow us to use the sidegraded repository as a clone of existing repository with the advantage that it would support incremental updates. Currently if a repository is cloned it does not support incremental update as NodeState comparison is done based on default implementation (actual comparison) as it cannot make use of recordId or revision to optimize the diff to determine trees which are not changed between source and target



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